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Re: weird global issue [message #185003 is a reply to message #184995] Sun, 23 February 2014 20:41 Go to previous messageGo to previous message
The Natural Philosoph is currently offline  The Natural Philosoph
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Registered: September 2010
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On 23/02/14 19:16, Ben Bacarisse wrote:
> The Natural Philosopher <tnp(at)invalid(dot)invalid> writes:
>
>> Consider
>> <?php
>> $x=array();
>>
>> function foo()
>> {
>> global $x;
>> foreach($x as $p) // fails with invalid type
>> {
>> }
>> }
>> ?>
>
> foo isn't called in this example, so what you've posted is not the
> actual code that's failing. The code will fail if the call to foo comes
> too early, specifically before the assignment happens, but maybe you can
> post a full example that fails?
>

the call to foo is after the variable is initialised.

I tested it by echoing gettype($x); both after initialising and inside
the function

It was fine outside the function and then returned NULL inside it.

I suspect the problem is in the way I am, 'eval' ing the code.

Provably the eval interpreter doesnt quite handle scope in the same way
that PHP itself does. And adding a global $x 'passes it up' to the
calling program.




> <snip>
>


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